Breadcrumb Home > Thesaurus > P Synonyms of plummet Find synonyms for: Noun 1. plumb bob, plumb, plummet, bob usage: the metal bob of a plumb line Verb 1. plummet, plump, drop usage: drop sharply; "The stock market plummeted" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of plummet (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language